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PlantFiles: Hosta
Hosta 'Krossa Regal'

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Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Hosta (HOSS-tuh) (Info)
Cultivar: Krossa Regal
Hybridized by Fisher; Year of Registration or Introduction: 1974

» View all varieties of Hostas

9 vendors have this plant for sale.

22 members have or want this plant for trade.

Plant Size (check one):
Large (leaf 81-144 square inches; plant 18-28 tall)

Spacing:
4-6 ft. (1.2-1.8 m)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)

Sun Exposure:
Light Shade

Other details:
Average Water Needs; Water regularly; do not overwater

Patent Information:
Unknown - Tell us

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Growing Habit:
Upright

Growth Rate:
Medium

Leaf Shape:
Ovate

Leaf Appearance:
Wavy

Degree to which the appearance is present:
Moderately

Leaf Texture (top):
Glaucous Bloom

Leaf Texture (bottom):
Glaucous Bloom

Leaf Substance:
1 (Thick)

Leaf Color:
Dark Green
Medium Blue-Green

Color of Leaf Margin:
No margin

Number of Vein Pairs:
12 to 15

Appearance of Margin:
Unknown - Tell us

Margin Width:
No margin

Bloom Time:
Mid

Flower Shape:
Funnel

Flower Fragrance:
No fragrance

Does it set seed?:
No it does not set seed

Bloom Color:
Pale Lavender
Medium Lavender

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to view:

By langbr
Thumbnail #1 of Hosta  by langbr

By Greenwood
Thumbnail #2 of Hosta  by Greenwood

By jody
Thumbnail #3 of Hosta  by jody

By bert
Thumbnail #4 of Hosta  by bert

By poppysue
Thumbnail #5 of Hosta  by poppysue

By stevenova
Thumbnail #6 of Hosta  by stevenova

By Joan
Thumbnail #7 of Hosta  by Joan

There are a total of 20 photos.
Click here to view them all!

Profile:

10 positives
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive BadgerJim On May 11, 2012, BadgerJim from Eau Claire, WI wrote:

Love the color, upright nature, easIly one of my favorites

Positive sandraky On Apr 29, 2012, sandraky from Louisville, KY wrote:

Found it in a discount bin, has grown beautifully in part sun and deep shade. The one plant is now five.I have it next to a rue - it covers the ugly knees and matches the colour exactly, so the foliage shape contrast is highlighted.
One of my favorites

Positive dahlia10 On Aug 6, 2011, dahlia10 from Ottawa
Canada wrote:

A very fast grower for me.Huge,impressive and beautiful.Foliage stays lovely and best of all no slug damage!!!

Neutral Gabrielle On May 6, 2008, Gabrielle from (Zone 5a) wrote:

a.k.a. Hosta nigrescens 'Krossa Regal'

Positive Malus2006 On Jan 27, 2008, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:

A fast grower but a bit slow to spread. It look good in the middle of a medium to large hosta patch. It will held up its blue color through most of the year and will grow in woodland shade.

Positive Jennie_in_MT On Jul 10, 2007, Jennie_in_MT from Lothair, MT (Zone 4a) wrote:

In my garden on the border of zone 3/4, this hosta has been very reliable. It is not a fast grower, but it steadily increases.

The powdery blue color of the leaves and its upright, vase shape make it a nice contrast to the greener, lower hosta.

Positive northgrass On Mar 2, 2005, northgrass from West Chazy, NY (Zone 4b) wrote:

This one is at the top of my list. Lovely blue color lasting late in the season if grown in part shade. Beautifully vase shaped. Even the blossoms look quite impressive, so tall.

Positive smiln32 On May 26, 2003, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

Mine is not an especially fast grower, but I think that has to do with a shorter dormancy period here in the south. It has rich color and upright habit, making it a lovely counterpart to moundlike hostas.

Neutral floragal On Oct 7, 2002, floragal wrote:

Although the foliage is lovely I cannot get my Krossa Regal to flower - one is in pretty deep shade and the other in moderate shade. Any answers?

Positive Bull70 On Sep 15, 2002, Bull70 wrote:

Part Sun Best

Positive lupinelover On May 7, 2002, lupinelover from Grove City, OH (Zone 6a) wrote:

Due to the upright growth of this variety, it almost never has had slug damage in any garden I have seen.

If grown in full shade, blue color remains through most of year.

Positive Greenwood On May 7, 2002, Greenwood from Bonifay, FL (Zone 8a) wrote:

Krossa Regal starts the season with powdery blue foliage by mid summer the vase shaped mound turns dark green. The flowering habits are notable with scapes 3' to 6' tall.

Regional...

This plant has been said to grow in the following regions:

, (2 reports)
Montgomery, Alabama
Oxford, Connecticut
Bonifay, Florida
Atlanta, Georgia
Cordele, Georgia
Lawrenceville, Georgia
Marietta, Georgia
Caseyville, Illinois
Edwardsville, Illinois
Machesney Park, Illinois
Nilwood, Illinois
Greenville, Indiana
Olathe, Kansas
Louisville, Kentucky
Silver Spring, Maryland
Lexington, Massachusetts
Uxbridge, Massachusetts
Ann Arbor, Michigan
Grand Rapids, Michigan
Plainwell, Michigan
Royal Oak, Michigan
Anoka, Minnesota
Minneapolis, Minnesota
New Ulm, Minnesota
Lothair, Montana
Cape May Court House, New Jersey
Columbia, New Jersey
Jamesburg, New Jersey
Mount Laurel, New Jersey
Ithaca, New York
Elizabeth City, North Carolina
Pittsboro, North Carolina
Belfield, North Dakota
Medora, North Dakota
Cincinnati, Ohio
Glouster, Ohio
Salem, Oregon
Norristown, Pennsylvania
Pittsburgh, Pennsylvania
North Augusta, South Carolina
Rockwood, Tennessee
Broadway, Virginia
Kirkland, Washington (2 reports)
Augusta, Wisconsin
Dodgeville, Wisconsin
Eau Claire, Wisconsin
Lake Delton, Wisconsin
Marion, Wisconsin
Thiensville, Wisconsin



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